OKI C321 Error Codes list and solutions

OKI C321 Error Codes list and solutions

– Compatible Printer model: OKI C321
– OKI C321 Error Code description:

• Code: –
• Display: CRC CHECK NG
• Description: PU download data CRC check error
  A CRC check error was detected after downloading of PU data (PU firmware and custom media data).
• Troubleshooting Guides: A CRC check error was detected after downloading of PU data (PU firmware and custom media data). Turn off and on the printer, and then re-download it (In general use of the printer, the downloading is not performed and this error does not occur).

• Code: –
• Display: WDT ERROR ADR=XXXX
• Description: PU firmware runaway
• Troubleshooting Guides: Does the error occur again? Yes Turn off and on the printer. Replace the CU/ PU board.

• Code: –
• Display: COMMUNICATION ERROR
• Description: PU-CU interface error
• Troubleshooting Guides: Does the error occur again? Yes Replace the CU/ PU board.

• Code: 001 … 011
• Display: POWER OFF/ON
  002:ERROR 006:ERROR 009:ERROR 011:ERROR
• Description: CPU Exception
• Troubleshooting Guides: Is the error display provided again?
  Remove any RAM DIMM and turn off and on the printer. Replace the CU/ PU board. Reinstall the RAM DIMM.

• Code: 020
• Display: SERVICE CALL 020:ERROR
• Description: CU ROM Hash Check Error
• Troubleshooting Guides: Is the error display provided again? Yes OFF/ON Replace the CU/ PU board.

• Code: 030
• Display: SERVICE CALL 030:ERROR
• Description: CU RAM Check Error
• Troubleshooting Guides: Is the error display provided again? Yes Turn off and on the printer. Replace the CU/ PU board.

• Code: 031, 036
• Display: SERVICE CALL 031:ERROR 036:ERROR
• Description: CU optional RAM check error
• Troubleshooting Guides: Is RAM DIMM installed properly? Does the printer recover by replacing the RAM DIMM?
  Reinstall the RAM DIMM. Replace the RAM DIMM. Replace the CU/ PU board.

• Code: 040
• Display: SERVICE CALL 040:ERROR
• Description: CU EEPROM error
• Troubleshooting Guides: Is the error display provided again? Yes Turn off and on the printer. Replace the CU/ PU board.

• Code: 041
• Display: SERVICE CALL 041:ERROR
• Description: CU flash memory error or CU board flash ROM error
• Troubleshooting Guides: Is the error display provided again? Yes Turn off and on the printer. Replace the CU/ PU board.

• Code: 042, 043, 045
• Display: SERVICE CALL 042:ERROR 043:ERROR 045:ERROR
• Description: Flash memory file system error
• Troubleshooting Guides: Accessing the flash ROM directly mounted on the CU/ PU board failed. Turn off and on the printer. Replace the CU/ PU board.

• Code: 052
• Display: POWER OFF/ON 052:ERROR
• Description: Image processor driver error
• Troubleshooting Guides: Is the error display provided again? Yes Turn off and on the printer. Replace the CU/ PU board.

• Code: 067, 068
• Display: SERVICE CALL 067:ERROR 068:ERROR
• Description: Interface monitor error
• Troubleshooting Guides:

Solve OKI C321 Error codes

• Code: 069
• Display: SERVICE CALL 069:ERROR
• Description: NIC Chip error
• Troubleshooting Guides: Is the error display provided again? Yes Turn off and on the printer. Replace the CU/ PU board.

• Code: 070
• Display: POWER OFF/ON 070:ERROR
• Description: PostScript error
• Troubleshooting Guides:

• Code: 072
• Display: POWER OFF/ON 072:ERROR xx
• Description: Engine interface error or PU-CU interface error
• Troubleshooting Guides: Is the CU/PU board installed properly? No Yes Reinstall the CU/ PU board properly. Replace the CU/ PU board.

• Code: 073
• Display: POWER OFF/ON 073:ERROR
• Description: Video error. An error was detected in expanding image data (an invalid data was received)
• Troubleshooting Guides: Is the CU/PU board installed properly? Does the error occur again? Reinstall it properly. Change the PC to a highspecification one or decrease the resolution, and perform printing again. Replace the CU/ PU board. Replace the interface cable. Reinstall the PC printer driver.
  Is the CU/PU board installed properly? Does the error occur again? Does the error depend on print data? Reinstall it properly. Perform printing again. Print other data. Replace the CU/ PU board. Ask design people to analyze the data.

• Code: 074, 075
• Display: POWER OFF/ON 074:ERROR xxxx 075:ERROR xxxx
• Description: Video error. An error was detected in expanding image data.
• Troubleshooting Guides: Is the CU/PU installed properly?
  Reinstall it properly. Replace it.

• Code: 081
• Display: SERVICE CALL 081:ERROR
• Description: Parameter matching check error
  Reading from or writing into EEPROM or flash memory cannot be made properly.
• Troubleshooting Guides: Reading from or writing into EEPROM or flash memory cannot be made properly. Turn off and on the printer. Replace the CU/ PU board when the symptom persists.

• Code: 104
• Display: SERVICE CALL 104:ERROR
• Description: An engine EEPROM read/write error was detected.
• Troubleshooting Guides: Does the error occur again? Yes Turn off and on the printer Replace the CU/ PU board.

• Code: 106
• Display: SERVICE CALL 106:ERROR
• Description: Engine control logic error
• Troubleshooting Guides: Does the error occur again? Yes Turn off and on the printer Replace the CU/ PU board.

• Code: 112
• Display: SERVICE CALL 112:ERROR
• Description: The 2nd tray for a model different from the printer was detected.
• Troubleshooting Guides: Is the 2nd tray for the printer installed? No Install proper 2nd tray.

• Code: 121
• Display: SERVICE CALL 121:ERROR
• Description: High-voltage power supply interface error
• Troubleshooting Guides: Is the cable between the CU/ PU board and the high-voltage power unit connected properly? Is a contact faulty?
  Reconnect it properly. Check the highvoltage line for no poor connection. Replace the highvoltage power supply.

• Code: 122
• Display: SERVICE CALL 122:ERROR
• Description: Rear-fan error
• Troubleshooting Guides: Does the fan at the rear of the printer operate? Is the connector of the fan connected properly?
  Be sure of the connection of the fan. Replace the CU/ PU board. Connect the fan properly. Replace the CU/ PU board.

• Code: 123
• Display: SERVICE CALL 123:ERROR
• Description: Ambient humidity error or non connection of humidity sensor
• Troubleshooting Guides: Is the cable from the CU/PU board to the toner sensor board connected properly?
  Re-connect it properly. Replace the toner sensor board.

• Code: 124
• Display: SERVICE CALL 124:ERROR
• Description: Ambient temperature error
• Troubleshooting Guides: Is the cable from the CU/PU board to the toner sensor board connected properly?
  Re-connect it properly. Replace the toner sensor board.

• Code: 128-05
• Display: SERVICE CALL 128:ERROR-05
• Description: Image drum fan error
• Troubleshooting Guides: Is the connector of the fan connected properly? Does the error occur again?
  Re-connect it properly. Replace the fan motor. Replace the CU/ PU board.

• Code: 128-08
• Display: SERVICE CALL 128:ERROR-08
• Description: Front fan error
• Troubleshooting Guides: Is the connector of the fan connected properly? Does the error occur again?
  Re-connect it properly. Replace the fan motor. Replace the CU/ PU board.

• Code: 131 … 134
• Display: SERVICE CALL 131:ERROR 134:ERROR
• Description: LED head detection error (131=Y, 132=M, 133=C, 134=K)
• Troubleshooting Guides: Is the LED head installed properly? Is the LED head fuse broken? Does the error occur again?
  Install the LED head unit. Check the LED head fuse. Check the fuse. Turn off and on the printer. Replace the LED head unit.

• Code: 142
• Display: SERVICE CALL 142:ERROR
• Description: Image drum up-down movement position detection error
• Troubleshooting Guides: Is the image drum unit removed and installed smoothly? Is the connector of the image drum up-down clutch is connected properly?
  Re-install it. Be sure of the connection of the image drum up-down clutch connector. Replace the toner sensor board. Connect the image drum updown clutch properly.

• Code: 153
• Display: SERVICE CALL 153:ERROR
• Description: Image drum unit fuse-cut error
• Troubleshooting Guides: Is the image drum unit installed properly? Does the error occur again? Is the printer recovered by replacing the toner sensor board.
  Re-install it. Turn off and on the printer. Be sure of the cable connection from the CU/PU board to the toner sensor board, and then replace the toner sensor board. Replace the CU/ PU board.

• Code: 154
• Display: SERVICE CALL 154:ERROR
• Description: Belt unit fusecut error
• Troubleshooting Guides: Is the belt unit installed properly? Does the error occur again?
  Re-install it. Turn off and on the printer. Be sure of cable connection, and then replace the CU/PU board.

• Code: 155
• Display: SERVICE CALL 155:ERROR
• Description: Fuser unit fuse-cut error
• Troubleshooting Guides: Is the fuser unit installed properly? Does the error occur again?
  Clean the connection connector of the fuser unit, and then re-install the fuser unit. Turn off and on the printer. Be sure of cable connection, and then replace the CU/PU board.

• Code: 160 … 163
• Display: SERVICE CALL 160:ERROR 163:ERROR
• Description: Toner sensor detection error (160=Y, 161=M, 162=C, 163=K). This error does not occur with the printer in the factory shipped configuration.
• Troubleshooting Guides: Is the toner cartridge installed? Is the toner slide shutter set?
  Install the toner cartridge. Turn it to the fixed position. Turn off and on the printer. Replace the toner sensor assembly.

• Code: 167
• Display: SERVICE CALL 167:ERROR
• Description: Thermistor slope error
• Troubleshooting Guides: Does an error message appear? Does the error occur again?
  Turn off and on the printer. Turn off and on the printer after leaving it for 30 minutes.

• Code: 168
• Display: SERVICE CALL 168:ERROR (Note)
• Description: Compensation thermistor error
• Troubleshooting Guides: Does an error message appear? Does the error occur again?
  Turn off and on the printer. Turn off and on the printer after leaving it for 30 minutes.

• Code: 170, 171
• Display: SERVICE CALL 170:ERROR 171:ERROR (Note)
• Description: A fuser thermistor short or open circuit was detected.
• Troubleshooting Guides: Does the error occur again? Turn off and on the printer. Replace the fuser unit.

• Code: 172
• Display: SERVICE CALL 172:ERROR 173:ERROR
• Description: A fuser thermistor temperature error (high or low temperature) was detected.
• Troubleshooting Guides: Does the error occur again? Does the error occur again?
  Turn off and on the printer. Replace the fuser unit. Replace the lowvoltage power supply, and then replace the CU/ PU board when the error occurs again.

• Code: 174
• Display: SERVICE CALL 174:ERROR
• Description: A backup thermistor shot circuit was detected (high temperature)
• Troubleshooting Guides: Does the error occur again? Yes Turn off and on the printer. Replace the fuser unit.

• Code: 175
• Display: SERVICE CALL 175:ERROR (Note)
• Description: A backup thermistor open circuit was detected (low temperature)
• Troubleshooting Guides: Does the error occur again? Yes Turn off and on the printer. Replace the fuser unit.

• Code: 176, 177
• Display: SERVICE CALL 176:ERROR 177:ERROR
• Description: A backup thermistor temperature error (high or low temperature) was detected.
• Troubleshooting Guides: Does the error occur again? Turn off and on the printer. Replace the fuser unit.
  Does the error occur again? Replace the lowvoltage power supply.

• Code: 182
• Display: SERVICE CALL 182:ERROR
• Description: Option unit interface error
• Troubleshooting Guides: Does the error occur again? Turn off and on the printer. Be sure of connector connection. Replace the option unit.

• Code: 190
• Display: POWER OFF/ON 190:ERROR
• Description: System memory overflow
• Troubleshooting Guides: Does the error occur again? Yes Turn off and on the printer. Replace the CU/ PU unit.

• Code: 200 … 202
• Display: SERVICE CALL 200:ERROR 202:ERROR
• Description: PU firmware download error
• Troubleshooting Guides: An error occurred in re-writing the PU firmware. Turn off and on the printer, and then re-download it (In general use of the printer, this re-writing is not performed and this error does not occur).

• Code: 203, 204, 207
• Display: POWER OFF/ON
  203:ERROR 204:ERROR
  207:ERROR 208:ERROR
  213:ERROR 214:ERROR
  F0C:ERROR FFE:ERROR
  FFF:ERROR
• Description: CU program error (203 to 214 do not occur in general use of the printer)
  Invalid processing was performed with a CU program.
• Troubleshooting Guides: Invalid processing was performed with a CU program. Replace the CU/ PU board.

• Code: 208, 213, 214
• Display: POWER OFF/ON
  203:ERROR 204:ERROR
  207:ERROR 208:ERROR
  213:ERROR 214:ERROR
  F0C:ERROR FFE:ERROR
  FFF:ERROR
• Description: CU program error (203 to 214 do not occur in general use of the printer)
  Invalid processing was performed with a CU program.
• Troubleshooting Guides: Invalid processing was performed with a CU program. Replace the CU/ PU board.

• Code: 209
• Display: POWER OFF/ON 209:DOWNLOAD ERROR
• Description: Custom Media Type table downloading failure
  Custom Media Type table downloading failed.
• Troubleshooting Guides: Custom Media Type table downloading failed. Turn off and on the printer, and then re-download it (In general use of the printer, this downloading is not performed and this error does not occur).

• Code: 231
• Display: SERVICE CALL 231:ERROR
• Description: TAG interface error
  A TAG interface error was detected. 01: A short-circuit error. 02: TAG communication error.
• Troubleshooting Guides: Be sure the toner cartridges and the image drums are properly set. Replace the toner cartridges. When the error occurs again after the image drums are re-installed, be sure of the cable connection from the CU/PU board to the toner sensor board.

• Code: 250
• Display: POWER OFF/ON 250:ERROR
• Description: SD card error
• Troubleshooting Guides:

• Code: 251
• Display: SERVICE CALL 251:ERROR
• Description: SD card erasure error
• Troubleshooting Guides:

• Code: 252, 255
• Display: POWER OFF/ON 252:ERROR 255:ERROR
• Description: SD card security error
• Troubleshooting Guides:

• Code: 256, 257
• Display: POWER OFF/ON 256:ERROR 257:ERROR
• Description: SD card error
• Troubleshooting Guides:

• Code: 901 … 904
• Display: POWER OFF/ON 901:ERROR 904:ERROR (Note)
• Description: Belt temperature error 901: Short circuit 902: Open circuit 903: High temperature 904: Low temperature
• Troubleshooting Guides: Is the cable from the belt thermistor to the CU/PU board connected properly? Does the error occur again?
  Connect the cable properly. Turn off and on the printer. Replace the belt thermistor.

• Code: 923
• Display: POWER OFF/ON 923:ERROR
• Description: A lock error with black image drum
• Troubleshooting Guides: The image drum does not revolve properly. Does the error display is provided again by turning off and on the printer?
  Be sure the image drum is properly installed properly. Replace the image drum unit. Replace the image drum motor.

• Code: 928
• Display: SERVICE CALL 928:ERROR
• Description: Fuser motor lock error
• Troubleshooting Guides: The fuser does not operate properly? Does the error occur again?
  Check that the fuser is properly installed. Replace the fuser. Replace the fuser motor.

• Code: 933
• Display: SERVICE CALL 933:ERROR
• Description: A clock error correction error with an option unit (which does not occur with the printer in the factory shipped configuration)
• Troubleshooting Guides: Does the error occur again? Does the error occur again?
  Be sure of connector contacts. Replace the option unit.

• Code: 933
• Display: POWER OFF/ON 933:ERROR
• Description: Tray-2 CPU clock frequency error
• Troubleshooting Guides:

• Code: 980
• Display: SERVICE CALL 980:ERROR
• Description: Duplicate toner cartridge detection error
  Multiple toner cartridges for the same color ware detected.
• Troubleshooting Guides: Media is jammed by entangling around the fuser. Turn off the printer. Replace the fuser.

• Code: 983
• Display: SERVICE CALL 983:ERROR
• Description: Duplicate toner cartridge detection error
  Multiple toner cartridges for the same color ware detected.
• Troubleshooting Guides: Multiple toner cartridges for the same color ware detected. Install toner cartridges for specified colors at the proper positions.

• Code: 990
• Display: SERVICE CALL 990:ERROR
• Description: Waste toner sensor detection error
• Troubleshooting Guides: Is the K toner cartridge installed? Does the error occur again?
  Install the K toner cartridge. Be sure of cable connection, and then perform board replacement.

– Get more information about Epson XP 15000 troubleshooting, click here

– Get more error code list with quick guide to fix printer product, click here
– About get help with reseting Epson inkpad or others, click here

Waste Ink Pad Counter Utility Functions:

– Cleaning printhead.
– Ink charge.
– Fix Epson red lights blinking Error

– Fix Epson Service Required Error: A printer’s ink pad at the end of its service life Please contact Epson Support.

– Check the current value of waste ink counters and ink level counters.
– Clear Waste Ink Counters.
– Read and write serial number.
– Read and write USB ID.
– Read and write HEAD ID.
– Make EEPROM dump, backup.
– Paper feed test.
– Nozzle check.
– Color check pattern.
– Initialize (disable) PF deterioration offset.
– Retrieve device information

Contact us to get support with OKI C321 Error case

Telegram: https://t.me/hyperaktiv
Facebook: https://www.facebook.com/dngnm/
Or click here to get more ways.